1) doubly hetero-bridged metallocene
异双桥联茂金属催化剂
2) asymmetric-doubly bridged
异双桥桥联茂金属
1.
In this dissertation the performance was investigated using two kinds of cycloalkylidene-bridged metallocenes and four kinds of asymmetric-doubly bridged metallocenes used in ethylene polymerization and copolymerization with a-olefin.
本文对两种亚环己基桥联茂金属催化剂和四种异双桥桥联茂金属催化剂催化乙烯均聚、乙烯与α-烯烃共聚的反应性能进行了研究,并针对这四种催化剂的温敏性、乙烯与α-烯烃共聚中的共单体效应、以及聚合产物性能给予了系统地探讨。
3) Dinuclear metallocene catalyst
双核茂金属催化剂
4) doubly-bridged metallocene
双桥联茂金属
1.
Progress on research of novel doubly-bridged metallocenes and their application as catalysts used in olefin polymerization were reviewed.
综述了双桥联茂金属催化剂的结构特征及其在催化烯烃聚合方面的研究进展。
6) metallocene catalyst
茂金属催化剂
1.
Progress in studies on metallocene catalyst with organic support;
有机载体负载茂金属催化剂研究进展
2.
Bench scale test development of loading metallocene catalyst;
负载型茂金属催化剂的模试开发
3.
Application of metallocene catalyst in ethylene propylene rubber;
茂金属催化剂在乙丙橡胶中的应用
补充资料:双邑桥
马家堰江穿村而过,街河段200米间有石桥三座,自南到北有双邑桥、太平桥、通济桥。双邑桥位于街中心段,居三桥之首,是两墩三孔高桥,长12米,宽1.75米,两侧置望柱、栏板,中孔四个望柱上雕有石狮,桥两侧有联:“一条彩虹上凌虚,三洞水光遥天接”,“一声欸乃镜中看,三洞流泉影底月”。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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